1. Leznoff CC, Lever ABP (eds) (1989, 1993, 1996) Phthalocyanines: properties and applications, vols 1–4. VCH Publishers, Cambridge
2. Kadish KM, Smith KM, Guilard R (eds) (2003) The porphyrin handbook, vols 15–20. Academic, San Diego
3. McKeown NB (1998) Phthalocyanine materials: synthesis, structure and function. Cambridge University Press, Cambridge
4. de la Torre G, Nicolau M, Torres T (2001) In: Nalwa H (ed) Supramolecular photosensitive and electroactive materials. Academic, New York, p 1
5. de la Torre G, Vazquez P, Agullo-Lopez F, Torres T (2004) Chem Rev 104:3723